The invention discloses an alcohol-based vaporization combustion furnace. The alcohol-based vaporization combustion furnace further comprises a furnace body, a furnace head and an igniter, wherein thefurnace body comprises a combustion cavity, a silencing cavity, an electric heater and a vaporization cavity, the silencing cavity is arranged around the combustion cavity, the electric heater is arranged around the silencing cavity, the vaporization cavity is arranged around the electric heater, the vaporization cavity communicates with the silencing cavity, the furnace head comprises a fire spraying head and a fire spraying sleeve, the fire spraying head comprises a flow division plate, the flow division plate is provided with an air injection flow division channel, the fire spraying sleeveis provided with a chamber for placing the fire spraying head, the fire spraying head is arranged in the chamber, and the flow division plate of the fire spraying head is sealed at the top of the chamber, so that an air flow cavity is formed between the fire spraying sleeve and the fire spraying head, the air flow cavity communicates with the combustion cavity of the alcohol-based vaporization combustion furnace through the air injection flow division channel, and the air flow cavity communicates with the vaporization cavity.